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2019

Topological neutron stars in tensor-multi-scalar theories of gravity

Doneva, Daniela D., Yazadjiev, Stoytcho S.

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In the present paper we demonstrate that there exists a new type of neutron stars in the tensor-multi-scalar theories of gravity.

We call this new type of neutron stars topological neutron stars.
In addition to the standard characteristics of the usual neutron stars the topological neutron stars are also characterized by a topological charge.
We numerical construct explicit examples of topological neutron stars in tensor-multi-scalar theories whose target space is $\mathbb{S}^3$.

Topological neutron stars in tensor-multi-scalar theories of gravity · Around

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D. D. Doneva and S. S. Yazadjiev, arXiv:1909.00473 [gr-qc]
Original
1909
Earlier work this paper cites.
R. Bott and L. W. Tu, Differential Forms in Algebraic Topology, New York, Springer-Verlag, 1982
1982
Earlier work this paper cites.
T. Damour and G. Esposito-Farese, Class. Quant. Grav. 9, 2093 (1992)
1992
Earlier work this paper cites.

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S. S. Yazadjiev and D. D. Doneva, Phys. Rev. D 99
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